... is specialized in producing fire extinguisher,accessories like dry powder valve,co2 valve,cylinder,neck rings,handles etc.In addition,we also produce ... fight equipment,such as fire hose,pressure gauge,nozzle,landing valve,jet apray branch pipe,hose coupling,fire cabinet and other ... .5Pressure Mpa: 18.8-23Residual pressure: NOWall hanging loop:NOgas valve gas valve